G10K 2210/121
Rotating machines
Official title: Rotating machines, e.g. engines, turbines, motors; Periodic or quasi-periodic signals in general
G10K2210/121 (Rotating machines) appears on 129 US grants and 71 published applications in this corpus.
Search patents in G10K- Granted patents
- 129
- Published applications
- 71
- Assignees
- 80
- Inventors
- 291
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 14 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 1 | 4 |
| 2003 | 0 | 4 |
| 2004 | 3 | 1 |
| 2005 | 2 | 0 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 2 | 2 |
| 2015 | 3 | 2 |
| 2016 | 2 | 1 |
| 2017 | 2 | 4 |
| 2018 | 3 | 4 |
| 2019 | 8 | 9 |
| 2020 | 5 | 4 |
| 2021 | 5 | 7 |
| 2022 | 6 | 7 |
| 2023 | 5 | 8 |
| 2024 | 5 | 2 |
| 2025 | 4 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Active sound attenuation for aircraft electrical system16 Dec 2025US 12,499,864 B2Pratt & Whitney Canada Corp.
- Work machine8 Jul 2025US 12,349,854 B2Makita Corporation
- Acoustic dampening air moving device housing24 Jun 2025US 12,339,032 B2International Business Machines Corporation
- Work machine27 May 2025US 12,310,546 B2Makita Corporation
- Rotor blade with noise reduction means22 Oct 2024US 12,123,398 B2Siemens Gamesa Renewable Energy A/S
- Vehicle control method and apparatus, electronic device, and storage medium27 Nov 2025US 2025/0363974 A1Shenzhen Yinwang Intelligent Technologies Co., Ltd.
- Method of controlling traveling sound of electric vehicle using motor vibration and virtual transmission signal29 May 2025US 2025/0174219 A1Hyundai Motor Company
- Rotor blade with noise reduction means4 Apr 2024US 2024/0110544 A1Siemens Gamesa Renewable Energy A/S
- Active sound attenuation for aircraft electrical system1 Feb 2024US 2024/0034481 A1Pratt & Whitney Canada Corp.
- Acoustic dampening air moving device housing7 Dec 2023US 2023/0392822 A1International Business Machines Corporation
Most cited
By later US patents
- Acoustic abatement method and apparatus119US 3,936,606 A1976
- Vibration/noise control system106US 5,638,305 AHonda Giken Kogyo Kabushiki Kaisha · 1997
- Active noise cancelling apparatus99US 5,499,301 AKabushiki Kaisha Toshiba · 1996
- Noise cancelling mechanism in a treadmill99US 9,767,785 B2ICON Health & Fitness, Inc. · 2017
- Method and apparatus for reducing repetitive noise entering the ear83US 4,654,871 ASound Attenuators Limited · 1987